On August 7, 2020, Zhu, Yanru; Zhao, Wenfang; Zhang, Jian; An, Zhe; Ma, Xiaodan; Zhang, Zhijun; Jiang, Yitao; Zheng, Lirong; Shu, Xin; Song, Hongyan; Xiang, Xu; He, Jing published an article.Safety of Pentane-1,5-diol The title of the article was Selective activation of C-OH, C-O-C, or C=C in furfuryl alcohol by engineered Pt Sites supported on layered double oxides. And the article contained the following:
The selective activation of targeted bonds in biomass-derived furfural or furfuryl alc. with complex chem. linkages (C-C/C-H/C-O, C=C/C=O, or C-O-H/C-O-C) is of great challenge for biomass upgrading, expecting well-defined catalyst and definite catalytically active sites. This work demonstrates an efficient targeted activation to C-OH, C-O-C, or C=C by engineering the structure of catalytic Pt sites, affording 2-methylfuran (2-MF), tetrahydrofurfuryl alc. (THFA), or 1,2-pentanediol (1,2-PeD) as product in the hydroconversion of furfuryl alc. The catalytic Pt sites have been engineered as at. Pt, coordination unsaturated Pt-Pt in atom-thick dispersion, or coordination unsaturated 3D Pt-Pt by tailoring the Pt dispersion (single atom, 2D cluster, or 3D cluster) on Mg and Al-containing layered double oxide (Mg(Al)O) support. The selective activation of C-OH, C-O-C, or C=C has been traced with the FT-IR spectra recorded surface reaction. On at. Pt, C-O-H is easily activated, with the assistance of Mg(Al)O support, with O-terminal adsorption without affecting furan C-O and C=C. However, C=C in the furan ring is easier to be activated on coordination-unsaturated Pt-Pt in atom-thick dispersion, resulting in a step-by-step hydrogenation to generate THFA. On coordination-unsaturated 3D Pt-Pt, the hydrogenolysis of furan ring is favored, resulting in the cleavage of furan C-O to produce 1,2-PeD. Also, the Mg(Al)O supports derived from Mg and Al layered double hydroxides (LDHs) here also play a key role in promoting the selectivity to 1,2-PeD by providing basic sites. The experimental process involved the reaction of Pentane-1,5-diol(cas: 111-29-5).Safety of Pentane-1,5-diol
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Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts